JPH0383296U - - Google Patents

Info

Publication number
JPH0383296U
JPH0383296U JP14190189U JP14190189U JPH0383296U JP H0383296 U JPH0383296 U JP H0383296U JP 14190189 U JP14190189 U JP 14190189U JP 14190189 U JP14190189 U JP 14190189U JP H0383296 U JPH0383296 U JP H0383296U
Authority
JP
Japan
Prior art keywords
katsutabitsu
mounting hole
bit mounting
bit
attachment part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14190189U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP14190189U priority Critical patent/JPH0383296U/ja
Publication of JPH0383296U publication Critical patent/JPH0383296U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示し、第１図はシー
ルド本体の縦断面図、第２図は同正面半断面図、
第３図は作業通路の横断面図である。 １……カツタヘツド、３……中央支持脚、４…
…外周支持脚、５……圧力隔壁、１３……圧力室
、１８……大気室、２１……第１スポーク部、２
４……第２スポーク部、２８……第１作業通路、
２９……第２作業通路、３０……第１連絡通路、
３３……第２連絡通路、３７……ビツト取付孔、
３８……ブラケツト、３９……固定ピン。

Claims (1)

    【実用新案登録請求の範囲】
  1. シールド本体の前部に回転自在に支持されるカ
    ツタヘツドのカツタビツト取付部の後部に、人が
    移動可能な作業通路を形成し、前記カツタビツト
    取付部を、カツタビツトと、カツタビツトを作業
    通路側から挿脱自在に形成されたビツト取付孔と
    、カツタビツトをビツト取付孔内に固定する固定
    手段とで構成したことを特徴とするシールド掘進
    機におけるカツタヘツド部の構造。
JP14190189U 1989-12-07 1989-12-07 Pending JPH0383296U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14190189U JPH0383296U (ja) 1989-12-07 1989-12-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14190189U JPH0383296U (ja) 1989-12-07 1989-12-07

Publications (1)

Publication Number Publication Date
JPH0383296U true JPH0383296U (ja) 1991-08-23

Family

ID=31688760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14190189U Pending JPH0383296U (ja) 1989-12-07 1989-12-07

Country Status (1)

Country Link
JP (1) JPH0383296U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6382732B1 (en) 1999-12-15 2002-05-07 Mitsubishi Heavy Industries, Ltd. Cutter head, tunnel excavating machine, and cutter replacing method
JP2018141277A (ja) * 2017-02-27 2018-09-13 川崎重工業株式会社 トンネル掘進機及びカッタービット交換方法
JP2018141278A (ja) * 2017-02-27 2018-09-13 川崎重工業株式会社 トンネル掘進機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62197597A (ja) * 1986-02-25 1987-09-01 大豊建設株式会社 シ−ルド機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62197597A (ja) * 1986-02-25 1987-09-01 大豊建設株式会社 シ−ルド機

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6382732B1 (en) 1999-12-15 2002-05-07 Mitsubishi Heavy Industries, Ltd. Cutter head, tunnel excavating machine, and cutter replacing method
JP2018141277A (ja) * 2017-02-27 2018-09-13 川崎重工業株式会社 トンネル掘進機及びカッタービット交換方法
JP2018141278A (ja) * 2017-02-27 2018-09-13 川崎重工業株式会社 トンネル掘進機

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